public void RemovePrev()
{
// check for null
if (currentNode == null)
{
return;
}
//change header
if (currentNode.prevNode == headerNode)
{
headerNode = currentNode;
}
if (currentNode.nextNode == currentNode)
{
currentNode = null;
headerNode = null;
return;
}
// remove perviuse node
NodeCircular nodeSkip = currentNode.prevNode;
if (nodeSkip != null)
{
currentNode.prevNode = currentNode.prevNode.prevNode;
currentNode.prevNode.nextNode = currentNode;
}
nodeSkip.prevNode = null;
nodeSkip.nextNode = null;
nodeSkip = null;
}
/*public void AddToFirst(GameObject nodeItem)
* {
* NodeCircular newFirstNode = new NodeCircular(nodeItem);
* newFirstNode.nextNode = headerNode;
* headerNode = newFirstNode;
* newFirstNode.prevNode = null;
* }*/
public void RemoveNext()
{
if (currentNode == null)
{
return;
}
if (currentNode.nextNode == headerNode)
{
headerNode = currentNode;
}
if (currentNode.nextNode == currentNode)
{
currentNode = null;
headerNode = null;
return;
}
NodeCircular nodeSkip = currentNode.nextNode;
if (nodeSkip != null)
{
if (currentNode.nextNode.nextNode != null)
{
currentNode.nextNode = currentNode.nextNode.nextNode;
currentNode.nextNode.prevNode = currentNode;
}
nodeSkip.prevNode = null;
nodeSkip.nextNode = null;
nodeSkip = null;
}
}
public MyCircularyLinkedList(GameObject nodeItem)
{
headerNode = new NodeCircular(nodeItem);
currentNode = headerNode;
currentNode.nextNode = currentNode;
currentNode.prevNode = currentNode;
}
public bool MoveToPrev()
{
if (currentNode.prevNode != null)
{
currentNode = currentNode.prevNode;
return(true);
}
else
{
return(false);
}
}
public bool MoveToNext()
{
if (currentNode.nextNode != null)
{
currentNode = currentNode.nextNode;
return(true);
}
else
{
return(false);
}
}
public void AddPrev(GameObject nodeItem)
{
NodeCircular newNode = new NodeCircular(nodeItem);
newNode.nextNode = currentNode;
newNode.prevNode = currentNode.prevNode;
if (currentNode.prevNode != null)
{
currentNode.prevNode.nextNode = newNode;
}
currentNode.prevNode = newNode;
}
public void ResetToHeader()
{
currentNode = headerNode;
}
public NodeCircular(GameObject nodeInfo)
{
nodeInformation = nodeInfo;
nextNode = null;
}
